Waterproofing material 1-3
 the unkmown soldier behind property protection in many cases roofing systems protect 95 percent of a building owner’s assets rhe roof system is often subjected to wind rain and ultraviolet energy as well as foot traffic and various forms of me- chanical abuse in addition to building ex pansion and contraction. Thewaterproofing material is the key to aroof system attaing its full design service life however since the waterproofing material happen to be the invisible componets of the building it is important to ensure its the durability and reliability prior to installation because it is often more expensive to repair an existing system than to build a new one it is even more difficult and almost impossible to repair an underground waterproofing system once it is buried such asthe case in basements water tanks reservoirs and swimming pools improper selection of water proofing material leads to premature system failure.
Leading causes of premature waterproofing system failure include poor design negligence of proper maintenance lack of appropriate repairs man made concerns incompatibility of the waterproofing system componets poor installation and finally poor waterproofing materials most of these causes can be controlled if properly managed expect one cause which is the waterproofing materials is a poor quality the whole system is consequently poor and poor means that the materials is neither inable to withstand weethering conditions nor it is able to withstand construction move ment. Building owners should commit adequate funds to provide for proper design quality installation